JPH0346535A - オプティカル・タイム・ドメイン・リフレクトメータ - Google Patents

オプティカル・タイム・ドメイン・リフレクトメータ

Info

Publication number
JPH0346535A
JPH0346535A JP2182546A JP18254690A JPH0346535A JP H0346535 A JPH0346535 A JP H0346535A JP 2182546 A JP2182546 A JP 2182546A JP 18254690 A JP18254690 A JP 18254690A JP H0346535 A JPH0346535 A JP H0346535A
Authority
JP
Japan
Prior art keywords
signal
optical
photodetector
switch
threshold
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2182546A
Other languages
English (en)
Japanese (ja)
Inventor
Bii Makudonarudo Kebin
ケビン・ビー・マクドナルド
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tektronix Japan Ltd
Original Assignee
Sony Tektronix Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Tektronix Corp filed Critical Sony Tektronix Corp
Publication of JPH0346535A publication Critical patent/JPH0346535A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
    • G01M11/31—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter and a light receiver being disposed at the same side of a fibre or waveguide end-face, e.g. reflectometers
    • G01M11/3109—Reflectometers detecting the back-scattered light in the time-domain, e.g. OTDR

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Communication System (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Light Guides In General And Applications Therefor (AREA)
JP2182546A 1989-07-14 1990-07-10 オプティカル・タイム・ドメイン・リフレクトメータ Pending JPH0346535A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/379,852 US4989971A (en) 1989-07-14 1989-07-14 Automatic mask trigger for an optical time domain reflectometer
US379852 1989-07-14

Publications (1)

Publication Number Publication Date
JPH0346535A true JPH0346535A (ja) 1991-02-27

Family

ID=23498985

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2182546A Pending JPH0346535A (ja) 1989-07-14 1990-07-10 オプティカル・タイム・ドメイン・リフレクトメータ

Country Status (4)

Country Link
US (1) US4989971A (de)
JP (1) JPH0346535A (de)
DE (1) DE4022386A1 (de)
FR (1) FR2649803A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8259063B2 (en) * 2006-06-01 2012-09-04 Primax Electronics Ltd. Input method of pointer input system

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5043608A (en) * 1989-08-24 1991-08-27 Tektronix, Inc. Avalanche photodiode non-linearity cancellation
FR2663754B1 (fr) * 1990-06-26 1992-09-11 Alsthom Cge Alcatel Procede de fabrication d'une fibre optique destinee notamment a la reflectometrie temporelle et fibre optique obtenue par ce procede.
JPH07113723A (ja) * 1993-10-13 1995-05-02 Ando Electric Co Ltd Ｏｔｄｒの光マスキング装置
US5552881A (en) * 1994-03-17 1996-09-03 Teradyne, Inc. Method and apparatus for scanning a fiber optic network
JP2001281102A (ja) * 2000-03-30 2001-10-10 Ando Electric Co Ltd 光ファイバの特性測定装置及び特性測定方法
US7375804B2 (en) * 2005-03-01 2008-05-20 Lockheed Martin Corporation Single detector receiver for multi-beam LADAR systems
JP5306075B2 (ja) * 2008-07-07 2013-10-02 キヤノン株式会社 光干渉断層法を用いる撮像装置及び撮像方法
GB2493959B (en) * 2011-08-25 2015-10-14 Optasense Holdings Ltd A fibre optic distributed sensor
CN112710454B (zh) * 2020-12-25 2023-04-11 联合微电子中心有限责任公司 一种光开关阵列中光开关的测试与标定系统及方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5818138A (ja) * 1981-07-24 1983-02-02 Fujitsu Ltd 光フアイバ・フオルトロケ−タ
JPS6361923A (ja) * 1986-09-02 1988-03-18 Minolta Camera Co Ltd 光信号測定装置の異常信号検出回路

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1544483A (en) * 1976-07-01 1979-04-19 Standard Telephones Cables Ltd Strain measurement using optical fibres
JPS5793228A (en) * 1980-12-02 1982-06-10 Medosu Kenkyusho:Kk Trouble detecting device for optical transmission fiber
JPS58113832A (ja) * 1981-12-28 1983-07-06 Fujitsu Ltd 光フアイバ破断点検出装置
JPS58159501U (ja) * 1982-04-19 1983-10-24 旭光学工業株式会社 伝送用フアイバ−のトラブル検出安全装置
GB2171513B (en) * 1985-02-19 1989-08-31 Atomic Energy Authority Uk Safety system for laser-utilising facilities
US4769534A (en) * 1986-11-17 1988-09-06 Tektronix, Inc. Optical detector with storage effects reduction
USH686H (en) * 1988-11-07 1989-10-03 The United States Of America As Represented By The Secretary Of The Army Electro-optical light modulator for protection of optical systems against pulsed lasers

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5818138A (ja) * 1981-07-24 1983-02-02 Fujitsu Ltd 光フアイバ・フオルトロケ−タ
JPS6361923A (ja) * 1986-09-02 1988-03-18 Minolta Camera Co Ltd 光信号測定装置の異常信号検出回路

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8259063B2 (en) * 2006-06-01 2012-09-04 Primax Electronics Ltd. Input method of pointer input system

Also Published As

Publication number Publication date
DE4022386A1 (de) 1991-01-24
US4989971A (en) 1991-02-05
FR2649803A1 (fr) 1991-01-18

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